 |
| |||
| канал передачи ключей | |||
| key channel: 8 phrases in 4 subjects |
| Information security and data protection | 3 |
| Rail transport | 1 |
| Security systems | 3 |
| Telecommunications | 1 |
|
| |||
| канал передачи ключей | |||
| key channel: 8 phrases in 4 subjects |
| Information security and data protection | 3 |
| Rail transport | 1 |
| Security systems | 3 |
| Telecommunications | 1 |